/Engine/Plugins/FX/Niagara/Source/NiagaraVertexFactories/Public/NiagaraDispatchIndirect.h
class FParameters
TShaderResource...
DispatchInfos
TShaderResource...
InstanceCounts
TShaderParamete...
MaxGroupsPerDimension
TShaderParamete...
NumDispatchInfos
TShaderResource...
RWDispatchIndirectArgs